main .coupon {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    text-align: center;
}

main .coupon li {
    width: 50%;
    border: 0.01rem solid #eee;
}

main .coupon li a {
    display: block;
    color: #000;
}

main .coupon li a .img {
    width: 100%;
}

main .coupon li a .img img {
    width: 100%;
}

main .coupon li a h2 {
    font-size: 0.18rem;
}